Question

se 2*n=15 e 2*p=20, o valor de 2*n-p+3 é:

Answer 1

Calculo:

n= 7,5

p= 10

2*7,5-10+3=

15-10+3

5+3

8

Resposta: 8

Answer 2

n=15/2

p=20/2=10

2*n-p+3

2*(15/2)-10+3

(30/2)-10+3

15-10+3

8